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#ifndef QV4ISEL_P_H
#define QV4ISEL_P_H

#include "qv4global_p.h"
#include "qv4jsir_p.h"

#include <qglobal.h>
#include <QHash>

namespace QQmlJS {

namespace VM {
struct ExecutionEngine;
struct Function;
} // namespace VM

class Q_V4_EXPORT EvalInstructionSelection
{
public:
    EvalInstructionSelection(VM::ExecutionEngine *engine, V4IR::Module *module);
    virtual ~EvalInstructionSelection() = 0;

    VM::Function *vmFunction(V4IR::Function *f);

    void setUseFastLookups(bool b) { useFastLookups = b; }

protected:
    VM::Function *createFunctionMapping(VM::Function *outer, V4IR::Function *irFunction);
    VM::ExecutionEngine *engine() const { return _engine; }
    virtual void run(VM::Function *vmFunction, V4IR::Function *function) = 0;

private:
    VM::ExecutionEngine *_engine;
    QHash<V4IR::Function *, VM::Function *> _irToVM;
protected:
    bool useFastLookups;
};

class Q_V4_EXPORT EvalISelFactory
{
public:
    virtual ~EvalISelFactory() = 0;
    virtual EvalInstructionSelection *create(VM::ExecutionEngine *engine, V4IR::Module *module) = 0;
};

namespace V4IR {
class Q_V4_EXPORT InstructionSelection: protected V4IR::StmtVisitor
{
public:
    virtual ~InstructionSelection() = 0;

public: // visitor methods for StmtVisitor:
    virtual void visitMove(V4IR::Move *s);
    virtual void visitEnter(V4IR::Enter *);
    virtual void visitLeave(V4IR::Leave *);
    virtual void visitExp(V4IR::Exp *s);

public: // to implement by subclasses:
    virtual void callBuiltinInvalid(V4IR::Name *func, V4IR::ExprList *args, V4IR::Temp *result) = 0;
    virtual void callBuiltinTypeofMember(V4IR::Temp *base, const QString &name, V4IR::Temp *result) = 0;
    virtual void callBuiltinTypeofSubscript(V4IR::Temp *base, V4IR::Temp *index, V4IR::Temp *result) = 0;
    virtual void callBuiltinTypeofName(const QString &name, V4IR::Temp *result) = 0;
    virtual void callBuiltinTypeofValue(V4IR::Temp *value, V4IR::Temp *result) = 0;
    virtual void callBuiltinDeleteMember(V4IR::Temp *base, const QString &name, V4IR::Temp *result) = 0;
    virtual void callBuiltinDeleteSubscript(V4IR::Temp *base, V4IR::Temp *index, V4IR::Temp *result) = 0;
    virtual void callBuiltinDeleteName(const QString &name, V4IR::Temp *result) = 0;
    virtual void callBuiltinDeleteValue(V4IR::Temp *result) = 0;
    virtual void callBuiltinPostDecrementMember(V4IR::Temp *base, const QString &name, V4IR::Temp *result) = 0;
    virtual void callBuiltinPostDecrementSubscript(V4IR::Temp *base, V4IR::Temp *index, V4IR::Temp *result) = 0;
    virtual void callBuiltinPostDecrementName(const QString &name, V4IR::Temp *result) = 0;
    virtual void callBuiltinPostDecrementValue(V4IR::Temp *value, V4IR::Temp *result) = 0;
    virtual void callBuiltinPostIncrementMember(V4IR::Temp *base, const QString &name, V4IR::Temp *result) = 0;
    virtual void callBuiltinPostIncrementSubscript(V4IR::Temp *base, V4IR::Temp *index, V4IR::Temp *result) = 0;
    virtual void callBuiltinPostIncrementName(const QString &name, V4IR::Temp *result) = 0;
    virtual void callBuiltinPostIncrementValue(V4IR::Temp *value, V4IR::Temp *result) = 0;
    virtual void callBuiltinThrow(V4IR::Temp *arg) = 0;
    virtual void callBuiltinFinishTry() = 0;
    virtual void callBuiltinForeachIteratorObject(V4IR::Temp *arg, V4IR::Temp *result) = 0;
    virtual void callBuiltinForeachNextPropertyname(V4IR::Temp *arg, V4IR::Temp *result) = 0;
    virtual void callBuiltinPushWithScope(V4IR::Temp *arg) = 0;
    virtual void callBuiltinPopScope() = 0;
    virtual void callBuiltinDeclareVar(bool deletable, const QString &name) = 0;
    virtual void callBuiltinDefineGetterSetter(V4IR::Temp *object, const QString &name, V4IR::Temp *getter, V4IR::Temp *setter) = 0;
    virtual void callBuiltinDefineProperty(V4IR::Temp *object, const QString &name, V4IR::Temp *value) = 0;
    virtual void callBuiltinDefineArray(V4IR::Temp *result, V4IR::ExprList *args) = 0;
    virtual void callValue(V4IR::Temp *value, V4IR::ExprList *args, V4IR::Temp *result) = 0;
    virtual void callProperty(V4IR::Temp *base, const QString &name, V4IR::ExprList *args, V4IR::Temp *result) = 0;
    virtual void callSubscript(V4IR::Temp *base, V4IR::Temp *index, V4IR::ExprList *args, V4IR::Temp *result) = 0;
    virtual void constructActivationProperty(V4IR::Name *func, V4IR::ExprList *args, V4IR::Temp *result) = 0;
    virtual void constructProperty(V4IR::Temp *base, const QString &name, V4IR::ExprList *args, V4IR::Temp *result) = 0;
    virtual void constructValue(V4IR::Temp *value, V4IR::ExprList *args, V4IR::Temp *result) = 0;
    virtual void loadThisObject(V4IR::Temp *temp) = 0;
    virtual void loadConst(V4IR::Const *sourceConst, V4IR::Temp *targetTemp) = 0;
    virtual void loadString(const QString &str, V4IR::Temp *targetTemp) = 0;
    virtual void loadRegexp(V4IR::RegExp *sourceRegexp, V4IR::Temp *targetTemp) = 0;
    virtual void getActivationProperty(const V4IR::Name *name, V4IR::Temp *temp) = 0;
    virtual void setActivationProperty(V4IR::Temp *source, const QString &targetName) = 0;
    virtual void initClosure(V4IR::Closure *closure, V4IR::Temp *target) = 0;
    virtual void getProperty(V4IR::Temp *base, const QString &name, V4IR::Temp *target) = 0;
    virtual void setProperty(V4IR::Temp *source, V4IR::Temp *targetBase, const QString &targetName) = 0;
    virtual void getElement(V4IR::Temp *base, V4IR::Temp *index, V4IR::Temp *target) = 0;
    virtual void setElement(V4IR::Temp *source, V4IR::Temp *targetBase, V4IR::Temp *targetIndex) = 0;
    virtual void copyValue(V4IR::Temp *sourceTemp, V4IR::Temp *targetTemp) = 0;
    virtual void unop(V4IR::AluOp oper, V4IR::Temp *sourceTemp, V4IR::Temp *targetTemp) = 0;
    virtual void binop(V4IR::AluOp oper, V4IR::Temp *leftSource, V4IR::Temp *rightSource, V4IR::Temp *target) = 0;
    virtual void inplaceNameOp(V4IR::AluOp oper, V4IR::Temp *rightSource, const QString &targetName) = 0;
    virtual void inplaceElementOp(V4IR::AluOp oper, V4IR::Temp *source, V4IR::Temp *targetBaseTemp, V4IR::Temp *targetIndexTemp) = 0;
    virtual void inplaceMemberOp(V4IR::AluOp oper, V4IR::Temp *source, V4IR::Temp *targetBase, const QString &targetName) = 0;

private:
    void callBuiltin(V4IR::Call *c, V4IR::Temp *temp);
};
} // namespace IR

} // namespace QQmlJS

#endif // QV4ISEL_P_H